Home / 142,134,727.20-213,361,523.10-109,929,402.60

Finding the Fourth Proportional to 142,134,727.20, 213,361,523.10 and 109,929,402.60

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Solution

The fourth proportional to 142,134,727.20, 213,361,523.10 and 109,929,402.60 is: 165,017,411.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,134,727.20 : 213,361,523.10 = 109,929,402.60 : x
  2. Step 2: Convert to fraction form
    142,134,727.20/213,361,523.10 = 109,929,402.60/x
  3. Step 3: Cross multiply
    142,134,727.20x = 213,361,523.10 × 109,929,402.60
  4. Step 4: Simplify right side
    142,134,727.20x = 23,454,704,772,209,100
  5. Step 5: Solve for x
    x = 23,454,704,772,209,100/142,134,727.20
  6. Step 6: Final answer
    x = 165,017,411.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.